CN221230068U - Front-mounted filtering and mud discharging and automatic exhausting device of sampling pump - Google Patents

Abstract

The utility model provides a sampling pump front-mounted filtering and sludge discharging and automatic exhausting device, which comprises a filter vat, a muddy water sedimentation tank and a control assembly, wherein the filter vat is arranged in the muddy water sedimentation tank through a filter vat bracket; the filter vat is in a closed state, and a filter screen is arranged in the filter vat; the filter vat is connected with a filter vat water inlet pipe, a filter vat water outlet pipe, an automatic exhaust mechanism and a filter vat mud valve, wherein the filter vat water inlet pipe is connected to the position below the water level liquid surface through an external pipeline, the filter vat water outlet pipe is connected with a sampling pump through an external pipeline, the automatic exhaust mechanism is used for communicating the inner space of the filter vat with the outer space, and the filter vat mud valve is arranged at the bottom of the filter vat; the automatic exhaust mechanism is in communication connection with the control assembly. The utility model is provided with the filter vat, reduces the frequency of manually cleaning the pipeline and the valve blockage, and only needs to carry out pollution discharge on the filter vat once per week.

Description

Front-mounted filtering and mud discharging and automatic exhausting device of sampling pump

Technical Field

The utility model relates to the technical field of water quality sampling detection equipment in hydraulic engineering, in particular to a front-mounted filtering and sludge discharging and automatic exhausting device of a sampling pump.

Background

In hydraulic engineering, environmental factors are usually determined by detecting water quality, and when the water quality of the Yangtze river body is detected, the following problems exist:

1. The installation elevation of the on-line instrument room sampling pump and the pump front water inlet pipeline of the first water intake pump room is below the level of the Yangtze river, but the water inlet pipe part is higher than the level of the Yangtze river in a segmented manner, so that the whole pipeline is a negative pressure pipeline during operation. The reasons such as low liquid level in Yangtze river and pipeline ageing cause the air that gets into in the pipeline, destroy pipeline negative pressure, influence sampling pump work efficiency.

2. The sampling water contains sediment, small shellfish and suspended garbage, which can cause pipeline blockage and further affect the working efficiency of the sampling pump.

3. When the system is used for flushing and discharging mud, a large amount of sediment is carried by the high-turbidity water body and discharged into the sewage collecting device, and the sediment is accumulated at the bottom of the sewage collecting device after precipitation, so that secondary cleaning of the sewage collecting device is not facilitated.

Disclosure of utility model

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a device for filtering and discharging mud and automatically exhausting the mud before a sampling pump, which is used for solving the above-mentioned problems.

In order to achieve the above purpose, the utility model provides a front-mounted filtering and sludge discharging and automatic exhausting device of a sampling pump, which comprises a filter vat, a sludge-water sedimentation tank and a control assembly, wherein the filter vat is arranged in the sludge-water sedimentation tank through a filter vat bracket; the filter vat is in a closed state, and a filter screen is arranged in the filter vat; the filter vat is connected with a filter vat water inlet pipe, a filter vat water outlet pipe, an automatic exhaust mechanism and a filter vat mud valve, wherein the filter vat water inlet pipe is connected to the position below the water level liquid surface through an external pipeline, the filter vat water outlet pipe is connected with a sampling pump through an external pipeline, the automatic exhaust mechanism is used for communicating the inner space of the filter vat with the outer space, and the filter vat mud valve is arranged at the bottom of the filter vat; the automatic exhaust mechanism is in communication connection with the control assembly.

Preferably, the automatic exhaust mechanism comprises an automatic exhaust pipe and an exhaust pressurizing water inlet pipe, and the automatic exhaust pipe and the exhaust pressurizing water inlet pipe are both connected in the filter vat; and electromagnetic valves for controlling the on-off of the pipeline are arranged on the automatic exhaust pipe and the exhaust pressurizing water inlet pipe, and the electromagnetic valves are in communication connection with the control assembly.

Preferably, the automatic exhaust mechanism further comprises a manual exhaust pipe, the manual exhaust pipe is a branch pipe on the automatic exhaust pipe, and the manual exhaust pipe is in a normally closed state.

Preferably, the top of the filter vat is circular, and a filter vat end cover is arranged at the top of the filter vat; the bottom shape of filter vat is the toper, filter vat mud valve sets up in the bottom of filter vat for the impurity of filtering out in the discharge filter vat.

Preferably, at least two barrel bottom flushing pipes are further arranged on the periphery of the filter barrel, and a plurality of barrel bottom flushing pipes are symmetrically distributed on the barrel wall of the filter barrel through the central axis of the filter barrel.

Preferably, the filter screen is cylindrical, a filter screen water inlet hole is further formed in the filter screen, and the filter barrel water inlet pipe penetrates through the barrel wall of the filter barrel and is inserted into the filter screen water inlet hole.

Preferably, a sedimentation tank drainage tank is arranged on the wall of the muddy water sedimentation tank, a sedimentation tank micro-filtration water gate is arranged in the sedimentation tank drainage tank, and micro-filtration holes are formed in the sedimentation tank micro-filtration water gate.

As described above, the sampling pump pre-filtration and sludge discharge and automatic exhaust device provided by the utility model has the following beneficial effects:

1. The utility model is provided with the filter vat, reduces the frequency of manually cleaning the pipeline and the valve blockage, and only needs to carry out pollution discharge on the filter vat once per week.

2. The filter barrel is automatically exhausted by the control component, automatically enters water and is pressurized during the exhaust, the exhaust effect of the water body at a low liquid level is enhanced, the current automatic exhaust is carried out for 2 times a day, and the working efficiency of the sampling pump can be effectively enhanced at intervals of 12 hours.

3. The exhaust process is fully automatic, manual operation is not needed, and labor cost is effectively reduced.

4. The utility model is also provided with the manual exhaust pipe, the automatic exhaust pipe and the manual exhaust pipe are not mutually influenced, and when the automatic exhaust pipe fails, the automatic exhaust pipe can be operated by manual operation, so that the working efficiency of the filter vat is not influenced.

5. The muddy water sedimentation tank is arranged in the utility model, the design of the muddy water sedimentation tank and the micro-filtration sluice gate of the sedimentation tank adopts a natural sedimentation mode, a flocculating agent is not required to be added, and additional muddy water separation equipment is not applicable, so that muddy water is separated as much as possible, the burden of a sewage collection system is effectively reduced, and secondary cleaning of equipment is facilitated.

Drawings

FIG. 1 is a schematic space diagram of a front-end filter sludge discharge and automatic exhaust device of a sampling pump according to the present utility model;

FIG. 2 is a front view of a front-end filter sludge discharge and automatic exhaust device of the sampling pump of the present utility model;

FIG. 3 is a left side view of the sample pump pre-filter mud discharge and automatic exhaust device of the present utility model;

FIG. 4 is a top view of the pre-filter sludge discharge and automatic exhaust device of the sampling pump of the present utility model;

FIG. 5 is a rear view of the sample pump pre-filter mud discharge and automatic exhaust device of the present utility model;

fig. 6 is a cross-sectional view taken along A-A in fig. 3.

Reference numerals illustrate:

1. a filter vat; 2. a muddy water sedimentation tank; 201. a sedimentation tank drainage tank; 3. a water inlet pipe of the filter barrel; 4. a water outlet pipe of the filter vat; 5. a filter vat end cover; 6. a sewage disposal flow passage; 7. an automatic exhaust pipe; 8. a manual exhaust pipe; 9. an exhaust pressurizing water inlet pipe; 10. a barrel bottom flushing pipe; 11. the sedimentation tank is used for micro-filtering out the sluice gate; 12. a filter vat mud valve; 13. a filter screen; 14. flushing a water inlet at the bottom of the barrel; 15. an exhaust pressurizing water inlet; 16. a filter vat support.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.

As shown in fig. 1-6, the utility model provides a front-mounted filtering and sludge discharging and automatic exhausting device of a sampling pump, which comprises a filter vat 1, a sludge-water sedimentation tank 2 and a control assembly, wherein the filter vat 1 is arranged in the sludge-water sedimentation tank 2 through a filter vat bracket 16; the filter vat 1 is a hollow part in a closed state, and a filter screen 13 is arranged in the filter vat 1; the periphery of the filter vat 1 is connected with a filter vat water inlet pipe 3, a filter vat water outlet pipe 4, an automatic exhaust mechanism and a filter vat mud valve 12, wherein the filter vat water inlet pipe 3 is connected to the position below the water level surface through an external pipeline, the filter vat water outlet pipe 4 is connected with a sampling pump through an external pipeline, the automatic exhaust mechanism communicates the internal space of the filter vat 1 with the external space, and the filter vat mud valve 12 is arranged at the bottom of the filter vat 1; the automatic exhaust mechanism is in communication connection with the control assembly.

The utility model relates to a front-mounted filtering and sludge discharging and automatic exhausting device of a sampling pump, wherein a water inlet of the sampling pump is connected with a water outlet pipe 4 of a filter drum, and a water outlet of the sampling pump is connected with a water quality detecting instrument. When the sampling pump works, negative pressure is generated in the filter vat 1, water enters the filter vat 1 along an external pipeline and the filter vat water inlet pipe 3, is filtered by the filter screen 13 in the filter vat 1, enters the sampling pump from the filter vat water outlet pipe 4, and then enters the water quality detection instrument. The filter screen 13 filters small shellfish and suspended garbage in the water body, so that the impurities are prevented from blocking the pipeline, and the influence of the impurities on water quality detection is avoided.

Preferably, as shown in fig. 5 and 6, the automatic exhaust mechanism comprises an automatic exhaust pipe 7 and an exhaust pressurizing water inlet pipe 9, and the automatic exhaust pipe 7 and the exhaust pressurizing water inlet pipe 9 are connected in the filter vat 1; electromagnetic valves for controlling the on-off of the pipeline are arranged on the automatic exhaust pipe 7 and the exhaust pressurizing water inlet pipe 9, and the electromagnetic valves are in communication connection with the control assembly. In this embodiment, the on-off of the automatic exhaust pipe 7 and the on-off of the exhaust pressurizing water inlet pipe 9 are performed synchronously, water is injected into the filter vat 1 through the exhaust pressurizing water inlet pipe 9, and then air in the filter vat 1 is injected with water to be extruded from the automatic exhaust pipe 7, so that the pumping efficiency of the sampling pump is ensured. Further, in this embodiment, the outer periphery of the filter vat 1 is provided with an exhaust pressurizing water inlet 15, and the exhaust pressurizing water inlet pipe 9 is arranged in the exhaust pressurizing water inlet 15 in a penetrating manner.

Preferably, as shown in fig. 1, 2 and 5, the automatic exhaust mechanism further includes a manual exhaust pipe 8, wherein the manual exhaust pipe 8 is a branch pipe on the automatic exhaust pipe 7, and the manual exhaust pipe 8 is in a normally closed state. In the present embodiment, a normally closed manual valve is provided on the manual exhaust pipe 8. The purpose of setting up manual blast pipe 8 is, when the solenoid valve on the automatic blast pipe 7 breaks down or automatic blast pipe 7 breaks down, can open the manual blast pipe 8 of normal close manual valve switch-on to realize the exhaust function of filter vat 1 through manual blast pipe 8, ensure the pumping efficiency of sampling pump.

Preferably, as shown in fig. 6, the top of the filter vat 1 is circular in shape, and a filter vat end cover 5 is arranged at the top end of the filter vat 1; the bottom of the filter vat 1 is tapered, and a vat mud valve 12 is provided at the bottom of the filter vat 1 for discharging filtered impurities in the filter vat 1. Further, in this embodiment, the filter vat 1 includes a vat wall, a filter vat end cover 5, and a bottom end, where the vat wall, the filter vat end cover 5, and the bottom end are integrally formed, the vat wall is cylindrical, the filter vat end cover 5 is circular, the bottom end is tapered, and the diameters of the joints of the three are the same. The automatic exhaust pipe 7 penetrates through the filter vat end cover 5, and other pipelines penetrate through the vat wall. Furthermore, in order to ensure the air tightness of the filter vat 1, other sealing substances such as sealing rings can be arranged at the positions where each pipeline penetrates through the filter vat 1, so long as the tightness of the filter vat 1 can be ensured.

Preferably, as shown in fig. 1, 2 and 6, at least two barrel bottom flushing pipes 10 are further arranged on the periphery of the filter barrel 1, and a plurality of barrel bottom flushing pipes 10 are symmetrically distributed on the barrel wall of the filter barrel 1 along the central axis of the filter barrel 1. Further, in this embodiment, the two bottom flushing pipes 10 are disposed at the lower portion of the wall of the filter vat 1, and the included angle between the two bottom flushing pipes 10 is 180 °, so that when the two bottom flushing pipes 10 are filled with water simultaneously, a vortex will occur at the bottom end of the filter vat 1, impurities at the bottom end of the filter vat 1 can be flushed better, and the two bottom flushing pipes 10 can be connected through a main pipe. In other embodiments, the number of the tub bottom flushing pipes 10 is plural. In this embodiment, the bottom flush tube 10 is normally closed, and when in use, the valve on the bottom flush tube 10 is opened manually. In this embodiment, the filter bowl 1 is provided with a bowl bottom flushing water inlet 14, and the bowl bottom flushing pipe 10 is disposed in the bowl bottom flushing water inlet 14.

Preferably, as shown in fig. 6, the filter screen 13 is cylindrical, and a filter screen water inlet hole is further formed in the filter screen 13, and the filter barrel water inlet pipe 3 penetrates through the barrel wall of the filter barrel 1 and is inserted into the filter screen water inlet hole. The port of the filter vat water outlet pipe 4 is arranged between the barrel wall of the filter vat 1 and the filter screen 13, so that small shellfish and suspended garbage carried in water can be filtered in the filter screen 13, and the accuracy of water detection is ensured.

Preferably, as shown in fig. 2 and 3, a sedimentation tank drainage tank 201 is arranged on the tank wall of the muddy water sedimentation tank 2, a sedimentation tank micro-filtration water gate 11 is arranged in the sedimentation tank drainage tank 201, and micro-filtration holes are formed in the sedimentation tank micro-filtration water gate 11. In this embodiment, the sedimentation basin micro-filtration sluice gate 11 can be withdrawn from the sedimentation basin drainage tank 201. Further, in this embodiment, the drain channel 6 is further disposed on the outer side of the sedimentation tank drain tank 201, and the drain channel 6 is convenient for cleaning other impurities such as silt in the muddy water sedimentation tank 2.

Preferably, in this embodiment, the sampling pump is communicatively coupled to the control assembly.

The utility model relates to a front-mounted filtering and sludge discharging and automatic exhausting device of a sampling pump, which has the following working principle:

firstly, an operator keeps the sampling pump in a stop-service state through a control component;

then an operator opens the battery valves on the automatic exhaust pipe 7 and the exhaust pressurizing water inlet pipe 9 through the control component, the exhaust pressurizing water inlet pipe 9 injects water into the filter vat 1, air in the filter vat 1 is extruded by the injected water and is discharged through the automatic exhaust pipe 7, and after the exhaust is finished, the control component automatically closes the battery valves on the automatic exhaust pipe 7 and the exhaust pressurizing water inlet pipe 9, and at the moment, the filter vat 1 is in a closed state;

Then operating personnel start the sampling pump through control assembly, and the sampling pump work appears in filter vat 1 negative pressure, and the water is in entering into filter vat 1 through outside pipeline, filter vat inlet tube 3, and small-size shellfish and suspended solid in the water are filtered by filter screen 13, and the water after the filtration enters into the sampling pump through filter vat outlet pipe 4, and then enters into follow-up water detecting instrument, carries out the water and detects. Further, after the water body enters the filter vat 1, large-particle sediment in the water body sinks under the influence of gravity (but small particles still flow out of the water outlet pipe 4 of the filter vat, so that the detection result of the water body is not influenced).

When the filter vat 1 is used for a period of time and large-particle sediment, small shellfish and suspended garbage are excessively accumulated, the filter vat 1 needs to be cleaned in time, otherwise, the detection result is affected. At this time, the operator opens filter vat mud valve 12, and impurity such as silt in filter vat 1 is discharged into muddy water sedimentation tank 2 in, for guaranteeing impurity in the filter vat 1 to arrange clear, in the mud discharging in-process, can also be to barrel head wash pipe 10 water injection, erodees the inner wall of filter vat 1 through barrel head wash pipe 10, guarantees that the inside silt of filter vat 1 washes cleanly.

After impurities such as sediment in the filter vat 1 are discharged into the muddy water sedimentation tank 2, the sediment is settled to the bottom under the influence of gravity, and the clarified water surface on the upper layer slowly seeps out through micro-filtration holes on the micro-filtration water gate 11 of the sedimentation tank, so that only impurities such as sediment remain in the muddy water sedimentation tank 2. When the impurities in the muddy water sedimentation tank 2 are accumulated to a sufficient quantity, an operator takes out the sedimentation tank micro-filtration water gate 11 from the sedimentation tank drainage tank 201, and cleans impurities such as sediment out of the muddy water sedimentation tank 2 from the sewage drainage channel 6.

The sampling pump pre-filtering and sludge discharging and automatic exhausting device has the following beneficial effects:

1. The utility model is provided with the control component, can realize automatic exhaust, and can automatically feed water and boost pressure during automatic exhaust, thereby effectively improving the working efficiency of the sampling pump.

2. The automatic exhaust pipe 7 and the manual exhaust pipe 8 are not mutually influenced, and when the automatic exhaust pipe 7 fails, the manual exhaust pipe 8 can be used for exhausting, so that the working efficiency of the filter vat 1 is not influenced.

3. The sedimentation tank micro-filtration water gate 11 is arranged in the utility model, and the separation of mud and water is realized through the sedimentation tank micro-filtration water gate 11, so that the burden of a sewage collection system is lightened, and the secondary cleaning of equipment is convenient.

4. The utility model integrates the functions of pre-filtration, mud discharge and sedimentation and automatic exhaust, and can effectively solve the problems in the prior art.

In conclusion, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (7)

1. The utility model provides a leading filtration mud and automatic exhaust device of arranging of sampling pump which characterized in that: the device comprises a filter vat (1), a muddy water sedimentation tank (2) and a control assembly, wherein the filter vat (1) is arranged in the muddy water sedimentation tank (2) through a filter vat bracket (16); the filter vat (1) is in a closed state, and a filter screen (13) is arranged in the filter vat (1); the filter vat (1) is connected with a filter vat water inlet pipe (3), a filter vat water outlet pipe (4), an automatic exhaust mechanism and a filter vat mud valve (12), the filter vat water inlet pipe (3) is connected to the position below the water level and the liquid level through an external pipeline, the filter vat water outlet pipe (4) is connected with a sampling pump through an external pipeline, the automatic exhaust mechanism is used for communicating the inner space of the filter vat (1) with the outer space, and the filter vat mud valve (12) is arranged at the bottom of the filter vat (1); the automatic exhaust mechanism is in communication connection with the control assembly.

2. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 1, wherein: the automatic exhaust mechanism comprises an automatic exhaust pipe (7) and an exhaust pressurizing water inlet pipe (9), and the automatic exhaust pipe (7) and the exhaust pressurizing water inlet pipe (9) are connected in the filter vat (1); electromagnetic valves for controlling the on-off of the pipeline are arranged on the automatic exhaust pipe (7) and the exhaust pressurizing water inlet pipe (9), and the electromagnetic valves are connected with the control assembly in a communication way.

3. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 2, wherein: the automatic exhaust mechanism further comprises a manual exhaust pipe (8), the manual exhaust pipe (8) is a branch pipe on the automatic exhaust pipe (7), and the manual exhaust pipe (8) is in a normally closed state.

4. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 1, wherein: the top of the filter vat (1) is circular, and a filter vat end cover (5) is arranged at the top of the filter vat (1); the bottom shape of filter vat (1) is the toper, filter vat mud valve (12) set up in the bottom of filter vat (1) for the impurity of filtering out in discharge filter vat (1).

5. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 4, wherein: at least two barrel bottom flushing pipes (10) are further arranged on the periphery of the filter barrel (1), and a plurality of barrel bottom flushing pipes (10) are symmetrically distributed on the barrel wall of the filter barrel (1) through the central axis of the filter barrel (1).

6. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 1, wherein: the filter screen (13) is in a cylinder shape, a filter screen water inlet hole is further formed in the filter screen (13), and the filter vat water inlet pipe (3) penetrates through the vat wall of the filter vat (1) and is inserted into the filter screen water inlet hole.

7. The sampling pump pre-filtration sludge discharge and automatic exhaust device according to claim 1, wherein: the mud water sedimentation tank is characterized in that a sedimentation tank drainage tank (201) is arranged on the tank wall of the mud water sedimentation tank (2), a sedimentation tank micro-filtration water gate (11) is arranged in the sedimentation tank drainage tank (201), and micro-filtration holes are formed in the sedimentation tank micro-filtration water gate (11).